Not sure, myself. But this is the only quick trivia I could find on the video:

"In the song's video clip, Jay Kay changes his clothing 7 times, representing the 7 days of the week in June. One of the garments he uses is a Peru-national-football-team-inspired jacket. The original jersey was used by the Peruvian team during the 70s and was awarded by ESPN as the "Best World Cup jersey of all time". ~ source Wikepedia